/work/obj-fuzz/dom/bindings/DOMStringListBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM DOMStringList.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "DOMStringListBinding.h" |
4 | | #include "WrapperFactory.h" |
5 | | #include "mozilla/OwningNonNull.h" |
6 | | #include "mozilla/dom/BindingUtils.h" |
7 | | #include "mozilla/dom/DOMJSClass.h" |
8 | | #include "mozilla/dom/DOMJSProxyHandler.h" |
9 | | #include "mozilla/dom/DOMStringList.h" |
10 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
11 | | #include "mozilla/dom/Nullable.h" |
12 | | #include "mozilla/dom/PrimitiveConversions.h" |
13 | | #include "mozilla/dom/XrayExpandoClass.h" |
14 | | |
15 | | namespace mozilla { |
16 | | namespace dom { |
17 | | |
18 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
19 | | using namespace mozilla::dom::binding_detail; |
20 | | |
21 | | |
22 | | namespace DOMStringList_Binding { |
23 | | |
24 | | MOZ_CAN_RUN_SCRIPT static bool |
25 | | get_length(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMStringList* self, JSJitGetterCallArgs args) |
26 | 0 | { |
27 | 0 | AUTO_PROFILER_LABEL_FAST("get DOMStringList.length", DOM, cx); |
28 | 0 |
|
29 | 0 | uint32_t result(self->Length()); |
30 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
31 | 0 | args.rval().setNumber(result); |
32 | 0 | return true; |
33 | 0 | } |
34 | | |
35 | | static const JSJitInfo length_getterinfo = { |
36 | | { (JSJitGetterOp)get_length }, |
37 | | { prototypes::id::DOMStringList }, |
38 | | { PrototypeTraits<prototypes::id::DOMStringList>::Depth }, |
39 | | JSJitInfo::Getter, |
40 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
41 | | JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */ |
42 | | true, /* isInfallible. False in setters. */ |
43 | | false, /* isMovable. Not relevant for setters. */ |
44 | | false, /* isEliminatable. Not relevant for setters. */ |
45 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
46 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
47 | | false, /* isTypedMethod. Only relevant for methods. */ |
48 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
49 | | }; |
50 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
51 | | static_assert(0 < 1, "There is no slot for us"); |
52 | | |
53 | | MOZ_CAN_RUN_SCRIPT static bool |
54 | | item(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMStringList* self, const JSJitMethodCallArgs& args) |
55 | 0 | { |
56 | 0 | AUTO_PROFILER_LABEL_FAST("DOMStringList.item", DOM, cx); |
57 | 0 |
|
58 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
59 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMStringList.item"); |
60 | 0 | } |
61 | 0 | uint32_t arg0; |
62 | 0 | if (!ValueToPrimitive<uint32_t, eDefault>(cx, args[0], &arg0)) { |
63 | 0 | return false; |
64 | 0 | } |
65 | 0 | DOMString result; |
66 | 0 | self->Item(arg0, result); |
67 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
68 | 0 | if (!xpc::StringToJsval(cx, result, args.rval())) { |
69 | 0 | return false; |
70 | 0 | } |
71 | 0 | return true; |
72 | 0 | } |
73 | | |
74 | | static const JSJitInfo item_methodinfo = { |
75 | | { (JSJitGetterOp)item }, |
76 | | { prototypes::id::DOMStringList }, |
77 | | { PrototypeTraits<prototypes::id::DOMStringList>::Depth }, |
78 | | JSJitInfo::Method, |
79 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
80 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
81 | | false, /* isInfallible. False in setters. */ |
82 | | false, /* isMovable. Not relevant for setters. */ |
83 | | false, /* isEliminatable. Not relevant for setters. */ |
84 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
85 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
86 | | false, /* isTypedMethod. Only relevant for methods. */ |
87 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
88 | | }; |
89 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
90 | | static_assert(0 < 1, "There is no slot for us"); |
91 | | |
92 | | MOZ_CAN_RUN_SCRIPT static bool |
93 | | contains(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMStringList* self, const JSJitMethodCallArgs& args) |
94 | 0 | { |
95 | 0 | AUTO_PROFILER_LABEL_FAST("DOMStringList.contains", DOM, cx); |
96 | 0 |
|
97 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
98 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMStringList.contains"); |
99 | 0 | } |
100 | 0 | binding_detail::FakeString arg0; |
101 | 0 | if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { |
102 | 0 | return false; |
103 | 0 | } |
104 | 0 | bool result(self->Contains(NonNullHelper(Constify(arg0)))); |
105 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
106 | 0 | args.rval().setBoolean(result); |
107 | 0 | return true; |
108 | 0 | } |
109 | | |
110 | | static const JSJitInfo contains_methodinfo = { |
111 | | { (JSJitGetterOp)contains }, |
112 | | { prototypes::id::DOMStringList }, |
113 | | { PrototypeTraits<prototypes::id::DOMStringList>::Depth }, |
114 | | JSJitInfo::Method, |
115 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
116 | | JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */ |
117 | | false, /* isInfallible. False in setters. */ |
118 | | false, /* isMovable. Not relevant for setters. */ |
119 | | false, /* isEliminatable. Not relevant for setters. */ |
120 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
121 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
122 | | false, /* isTypedMethod. Only relevant for methods. */ |
123 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
124 | | }; |
125 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
126 | | static_assert(0 < 1, "There is no slot for us"); |
127 | | |
128 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
129 | | #if defined(__clang__) |
130 | | #pragma clang diagnostic push |
131 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
132 | | #endif |
133 | | static const JSFunctionSpec sMethods_specs[] = { |
134 | | JS_FNSPEC("item", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&item_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
135 | | JS_FNSPEC("contains", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&contains_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
136 | | JS_SYM_FNSPEC(iterator, nullptr, nullptr, 0, 0, "ArrayValues"), |
137 | | JS_FS_END |
138 | | }; |
139 | | #if defined(__clang__) |
140 | | #pragma clang diagnostic pop |
141 | | #endif |
142 | | |
143 | | |
144 | | static const Prefable<const JSFunctionSpec> sMethods[] = { |
145 | | { nullptr, &sMethods_specs[0] }, |
146 | | { nullptr, nullptr } |
147 | | }; |
148 | | |
149 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
150 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
151 | | static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
152 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
153 | | |
154 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
155 | | #if defined(__clang__) |
156 | | #pragma clang diagnostic push |
157 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
158 | | #endif |
159 | | static const JSPropertySpec sAttributes_specs[] = { |
160 | | { "length", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &length_getterinfo, nullptr, nullptr }, |
161 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
162 | | }; |
163 | | #if defined(__clang__) |
164 | | #pragma clang diagnostic pop |
165 | | #endif |
166 | | |
167 | | |
168 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
169 | | { nullptr, &sAttributes_specs[0] }, |
170 | | { nullptr, nullptr } |
171 | | }; |
172 | | |
173 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
174 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
175 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
176 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
177 | | |
178 | | |
179 | | static uint16_t sNativeProperties_sortedPropertyIndices[4]; |
180 | | static PropertyInfo sNativeProperties_propertyInfos[4]; |
181 | | |
182 | | static const NativePropertiesN<2> sNativeProperties = { |
183 | | false, 0, |
184 | | false, 0, |
185 | | true, 0 /* sMethods */, |
186 | | true, 1 /* sAttributes */, |
187 | | false, 0, |
188 | | false, 0, |
189 | | false, 0, |
190 | | -1, |
191 | | 4, |
192 | | sNativeProperties_sortedPropertyIndices, |
193 | | { |
194 | | { sMethods, &sNativeProperties_propertyInfos[0] }, |
195 | | { sAttributes, &sNativeProperties_propertyInfos[3] } |
196 | | } |
197 | | }; |
198 | | static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
199 | | "We have a property info count that is oversized"); |
200 | | |
201 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
202 | | { |
203 | | "Function", |
204 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
205 | | &sBoringInterfaceObjectClassClassOps, |
206 | | JS_NULL_CLASS_SPEC, |
207 | | JS_NULL_CLASS_EXT, |
208 | | &sInterfaceObjectClassObjectOps |
209 | | }, |
210 | | eInterface, |
211 | | true, |
212 | | prototypes::id::DOMStringList, |
213 | | PrototypeTraits<prototypes::id::DOMStringList>::Depth, |
214 | | sNativePropertyHooks, |
215 | | "function DOMStringList() {\n [native code]\n}", |
216 | | JS::GetRealmFunctionPrototype |
217 | | }; |
218 | | |
219 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
220 | | { |
221 | | "DOMStringListPrototype", |
222 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
223 | | JS_NULL_CLASS_OPS, |
224 | | JS_NULL_CLASS_SPEC, |
225 | | JS_NULL_CLASS_EXT, |
226 | | JS_NULL_OBJECT_OPS |
227 | | }, |
228 | | eInterfacePrototype, |
229 | | false, |
230 | | prototypes::id::DOMStringList, |
231 | | PrototypeTraits<prototypes::id::DOMStringList>::Depth, |
232 | | sNativePropertyHooks, |
233 | | "[object DOMStringListPrototype]", |
234 | | JS::GetRealmObjectPrototype |
235 | | }; |
236 | | |
237 | | static_assert(IsBaseOf<nsISupports, mozilla::dom::DOMStringList >::value, |
238 | | "We don't support non-nsISupports native classes for " |
239 | | "proxy-based bindings yet"); |
240 | | |
241 | | |
242 | | class DOMProxyHandler : public mozilla::dom::DOMProxyHandler |
243 | | { |
244 | | public: |
245 | | explicit constexpr DOMProxyHandler() |
246 | 0 | { |
247 | 0 | } |
248 | | |
249 | | virtual bool |
250 | | getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const override; |
251 | | |
252 | | virtual bool |
253 | | defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const override; |
254 | | |
255 | | using mozilla::dom::DOMProxyHandler::defineProperty; |
256 | | |
257 | | virtual bool |
258 | | ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const override; |
259 | | |
260 | | virtual bool |
261 | | hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override; |
262 | | |
263 | | virtual bool |
264 | | get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override; |
265 | | |
266 | | virtual const char* |
267 | | className(JSContext* cx, JS::Handle<JSObject*> proxy) const override; |
268 | | |
269 | | virtual bool |
270 | | finalizeInBackground(const JS::Value& priv) const override; |
271 | | |
272 | | virtual void |
273 | | finalize(JSFreeOp* fop, JSObject* proxy) const override; |
274 | | |
275 | | static const DOMProxyHandler* |
276 | | getInstance(); |
277 | | |
278 | | virtual bool |
279 | | delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override; |
280 | | |
281 | | virtual bool |
282 | | getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const override; |
283 | | |
284 | | virtual size_t |
285 | | objectMoved(JSObject* obj, JSObject* old) const override; |
286 | | }; |
287 | | |
288 | | MOZ_ALWAYS_INLINE bool |
289 | | IsProxy(JSObject* obj) |
290 | 0 | { |
291 | 0 | return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance(); |
292 | 0 | } |
293 | | |
294 | | MOZ_ALWAYS_INLINE mozilla::dom::DOMStringList* |
295 | | UnwrapProxy(JSObject* obj) |
296 | 0 | { |
297 | 0 | MOZ_ASSERT(js::IsProxy(obj)); |
298 | 0 | if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) { |
299 | 0 | MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj)); |
300 | 0 | obj = js::UncheckedUnwrap(obj); |
301 | 0 | } |
302 | 0 | MOZ_ASSERT(IsProxy(obj)); |
303 | 0 | return static_cast<mozilla::dom::DOMStringList*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate()); |
304 | 0 | } |
305 | | |
306 | | bool |
307 | | DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const |
308 | 0 | { |
309 | 0 | bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); |
310 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
311 | 0 | if (IsArrayIndex(index)) { |
312 | 0 | mozilla::dom::DOMStringList* self = UnwrapProxy(proxy); |
313 | 0 | bool found = false; |
314 | 0 | DOMString result; |
315 | 0 | self->IndexedGetter(index, found, result); |
316 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
317 | 0 |
|
318 | 0 | if (found) { |
319 | 0 | if (!xpc::StringToJsval(cx, result, desc.value())) { |
320 | 0 | return false; |
321 | 0 | } |
322 | 0 | FillPropertyDescriptor(desc, proxy, true); |
323 | 0 | return true; |
324 | 0 | } |
325 | 0 | } |
326 | 0 |
|
327 | 0 | JS::Rooted<JSObject*> expando(cx); |
328 | 0 | if (!isXray && (expando = GetExpandoObject(proxy))) { |
329 | 0 | if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) { |
330 | 0 | return false; |
331 | 0 | } |
332 | 0 | if (desc.object()) { |
333 | 0 | // Pretend the property lives on the wrapper. |
334 | 0 | desc.object().set(proxy); |
335 | 0 | return true; |
336 | 0 | } |
337 | 0 | } |
338 | 0 | |
339 | 0 | desc.object().set(nullptr); |
340 | 0 | return true; |
341 | 0 | } |
342 | | |
343 | | bool |
344 | | DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const |
345 | 0 | { |
346 | 0 | if (IsArrayIndex(GetArrayIndexFromId(cx, id))) { |
347 | 0 | *defined = true; |
348 | 0 | return opresult.failNoIndexedSetter(); |
349 | 0 | } |
350 | 0 | return mozilla::dom::DOMProxyHandler::defineProperty(cx, proxy, id, desc, opresult, defined); |
351 | 0 | } |
352 | | |
353 | | |
354 | | bool |
355 | | DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const |
356 | 0 | { |
357 | 0 | bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); |
358 | 0 |
|
359 | 0 | uint32_t length = UnwrapProxy(proxy)->Length(); |
360 | 0 | MOZ_ASSERT(int32_t(length) >= 0); |
361 | 0 | for (int32_t i = 0; i < int32_t(length); ++i) { |
362 | 0 | if (!props.append(INT_TO_JSID(i))) { |
363 | 0 | return false; |
364 | 0 | } |
365 | 0 | } |
366 | 0 |
|
367 | 0 | JS::Rooted<JSObject*> expando(cx); |
368 | 0 | if (!isXray && (expando = DOMProxyHandler::GetExpandoObject(proxy)) && |
369 | 0 | !js::GetPropertyKeys(cx, expando, flags, &props)) { |
370 | 0 | return false; |
371 | 0 | } |
372 | 0 | |
373 | 0 | return true; |
374 | 0 | } |
375 | | |
376 | | bool |
377 | | DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const |
378 | 0 | { |
379 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
380 | 0 | "Should not have a XrayWrapper here"); |
381 | 0 |
|
382 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
383 | 0 | if (IsArrayIndex(index)) { |
384 | 0 | bool found = false; |
385 | 0 | mozilla::dom::DOMStringList* self = UnwrapProxy(proxy); |
386 | 0 | DOMString result; |
387 | 0 | self->IndexedGetter(index, found, result); |
388 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
389 | 0 | (void)result; |
390 | 0 |
|
391 | 0 | *bp = found; |
392 | 0 | return true; |
393 | 0 | } |
394 | 0 |
|
395 | 0 |
|
396 | 0 | JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy)); |
397 | 0 | if (expando) { |
398 | 0 | bool b = true; |
399 | 0 | bool ok = JS_HasPropertyById(cx, expando, id, &b); |
400 | 0 | *bp = !!b; |
401 | 0 | if (!ok || *bp) { |
402 | 0 | return ok; |
403 | 0 | } |
404 | 0 | } |
405 | 0 | |
406 | 0 | *bp = false; |
407 | 0 | return true; |
408 | 0 | } |
409 | | |
410 | | bool |
411 | | DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const |
412 | 0 | { |
413 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
414 | 0 | "Should not have a XrayWrapper here"); |
415 | 0 |
|
416 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
417 | 0 | if (IsArrayIndex(index)) { |
418 | 0 | mozilla::dom::DOMStringList* self = UnwrapProxy(proxy); |
419 | 0 | bool found = false; |
420 | 0 | DOMString result; |
421 | 0 | self->IndexedGetter(index, found, result); |
422 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
423 | 0 |
|
424 | 0 | if (found) { |
425 | 0 | if (!xpc::StringToJsval(cx, result, vp)) { |
426 | 0 | return false; |
427 | 0 | } |
428 | 0 | return true; |
429 | 0 | } |
430 | 0 | // Even if we don't have this index, we don't forward the |
431 | 0 | // get on to our expando object. |
432 | 0 | } else { |
433 | 0 | { // Scope for expando |
434 | 0 | JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy)); |
435 | 0 | if (expando) { |
436 | 0 | bool hasProp; |
437 | 0 | if (!JS_HasPropertyById(cx, expando, id, &hasProp)) { |
438 | 0 | return false; |
439 | 0 | } |
440 | 0 | |
441 | 0 | if (hasProp) { |
442 | 0 | // Forward the get to the expando object, but our receiver is whatever our |
443 | 0 | // receiver is. |
444 | 0 | return JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp); |
445 | 0 | } |
446 | 0 | } |
447 | 0 | } |
448 | 0 | } |
449 | 0 | |
450 | 0 | bool foundOnPrototype; |
451 | 0 | if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) { |
452 | 0 | return false; |
453 | 0 | } |
454 | 0 | |
455 | 0 | if (foundOnPrototype) { |
456 | 0 | return true; |
457 | 0 | } |
458 | 0 | |
459 | 0 | vp.setUndefined(); |
460 | 0 | return true; |
461 | 0 | } |
462 | | |
463 | | const char* |
464 | | DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const |
465 | 0 | { |
466 | 0 | return "DOMStringList"; |
467 | 0 | } |
468 | | |
469 | | bool |
470 | | DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const |
471 | 0 | { |
472 | 0 | return false; |
473 | 0 | } |
474 | | |
475 | | void |
476 | | DOMProxyHandler::finalize(JSFreeOp* fop, JSObject* proxy) const |
477 | 0 | { |
478 | 0 | mozilla::dom::DOMStringList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMStringList>(proxy); |
479 | 0 | if (self) { |
480 | 0 | ClearWrapper(self, self, proxy); |
481 | 0 | AddForDeferredFinalization<mozilla::dom::DOMStringList>(self); |
482 | 0 | } |
483 | 0 | } |
484 | | |
485 | | const DOMProxyHandler* |
486 | | DOMProxyHandler::getInstance() |
487 | 0 | { |
488 | 0 | static const DOMProxyHandler instance; |
489 | 0 | return &instance; |
490 | 0 | } |
491 | | |
492 | | bool |
493 | | DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const |
494 | 0 | { |
495 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
496 | 0 | "Should not have a XrayWrapper here"); |
497 | 0 |
|
498 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
499 | 0 | if (IsArrayIndex(index)) { |
500 | 0 | bool deleteSucceeded; |
501 | 0 | bool found = false; |
502 | 0 | mozilla::dom::DOMStringList* self = UnwrapProxy(proxy); |
503 | 0 | DOMString result; |
504 | 0 | self->IndexedGetter(index, found, result); |
505 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
506 | 0 | (void)result; |
507 | 0 | deleteSucceeded = !found; |
508 | 0 | return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete(); |
509 | 0 | } |
510 | 0 |
|
511 | 0 | return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult); |
512 | 0 | } |
513 | | |
514 | | bool |
515 | | DOMProxyHandler::getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const |
516 | 0 | { |
517 | 0 | JS::Rooted<JS::Value> temp(cx); |
518 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
519 | 0 | "Should not have a XrayWrapper here"); |
520 | 0 |
|
521 | 0 | mozilla::dom::DOMStringList* self = UnwrapProxy(proxy); |
522 | 0 | uint32_t length = self->Length(); |
523 | 0 | // Compute the end of the indices we'll get ourselves |
524 | 0 | uint32_t ourEnd = std::max(begin, std::min(end, length)); |
525 | 0 |
|
526 | 0 | for (uint32_t index = begin; index < ourEnd; ++index) { |
527 | 0 | bool found = false; |
528 | 0 | DOMString result; |
529 | 0 | self->IndexedGetter(index, found, result); |
530 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
531 | 0 |
|
532 | 0 | MOZ_ASSERT(found); |
533 | 0 | if (!xpc::StringToJsval(cx, result, &temp)) { |
534 | 0 | return false; |
535 | 0 | } |
536 | 0 | if (!adder->append(cx, temp)) return false; |
537 | 0 | continue; |
538 | 0 | } |
539 | 0 |
|
540 | 0 | if (end > ourEnd) { |
541 | 0 | JS::Rooted<JSObject*> proto(cx); |
542 | 0 | if (!js::GetObjectProto(cx, proxy, &proto)) { |
543 | 0 | return false; |
544 | 0 | } |
545 | 0 | return js::GetElementsWithAdder(cx, proto, proxy, ourEnd, end, adder); |
546 | 0 | } |
547 | 0 | |
548 | 0 | return true; |
549 | 0 | } |
550 | | |
551 | | size_t |
552 | | DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const |
553 | 0 | { |
554 | 0 | mozilla::dom::DOMStringList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMStringList>(obj); |
555 | 0 | if (self) { |
556 | 0 | UpdateWrapper(self, self, obj, old); |
557 | 0 | } |
558 | 0 |
|
559 | 0 | return 0; |
560 | 0 | } |
561 | | |
562 | | static const DOMJSClass sClass = { |
563 | | PROXY_CLASS_DEF("DOMStringList", |
564 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)), |
565 | | { prototypes::id::DOMStringList, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
566 | | IsBaseOf<nsISupports, mozilla::dom::DOMStringList >::value, |
567 | | sNativePropertyHooks, |
568 | | FindAssociatedGlobalForNative<mozilla::dom::DOMStringList>::Get, |
569 | | GetProtoObjectHandle, |
570 | | GetCCParticipant<mozilla::dom::DOMStringList>::Get() |
571 | | }; |
572 | | |
573 | | bool |
574 | | Wrap(JSContext* aCx, mozilla::dom::DOMStringList* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
575 | 0 | { |
576 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::DOMStringList>::value, |
577 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
578 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::DOMStringList*>(aObject) == |
579 | 0 | reinterpret_cast<mozilla::dom::DOMStringList*>(aObject), |
580 | 0 | "Multiple inheritance for mozilla::dom::DOMStringList is broken."); |
581 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
582 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
583 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
584 | 0 | "You should probably not be using Wrap() directly; use " |
585 | 0 | "GetOrCreateDOMReflector instead"); |
586 | 0 |
|
587 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
588 | 0 | "nsISupports must be on our primary inheritance chain"); |
589 | 0 |
|
590 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
591 | 0 | if (!global) { |
592 | 0 | return false; |
593 | 0 | } |
594 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
595 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
596 | 0 |
|
597 | 0 | // That might have ended up wrapping us already, due to the wonders |
598 | 0 | // of XBL. Check for that, and bail out as needed. |
599 | 0 | aReflector.set(aCache->GetWrapper()); |
600 | 0 | if (aReflector) { |
601 | | #ifdef DEBUG |
602 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
603 | | #endif // DEBUG |
604 | | return true; |
605 | 0 | } |
606 | 0 |
|
607 | 0 | JSAutoRealm ar(aCx, global); |
608 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
609 | 0 | if (!canonicalProto) { |
610 | 0 | return false; |
611 | 0 | } |
612 | 0 | JS::Rooted<JSObject*> proto(aCx); |
613 | 0 | if (aGivenProto) { |
614 | 0 | proto = aGivenProto; |
615 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
616 | 0 | // coming in, we changed compartments to that of "parent" so may need |
617 | 0 | // to wrap the proto here. |
618 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
619 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
620 | 0 | return false; |
621 | 0 | } |
622 | 0 | } |
623 | 0 | } else { |
624 | 0 | proto = canonicalProto; |
625 | 0 | } |
626 | 0 |
|
627 | 0 | BindingJSObjectCreator<mozilla::dom::DOMStringList> creator(aCx); |
628 | 0 | creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(), |
629 | 0 | proto, aObject, JS::UndefinedHandleValue, aReflector); |
630 | 0 | if (!aReflector) { |
631 | 0 | return false; |
632 | 0 | } |
633 | 0 | |
634 | 0 | aCache->SetWrapper(aReflector); |
635 | 0 | creator.InitializationSucceeded(); |
636 | 0 |
|
637 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
638 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
639 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
640 | 0 | // otherwise we won't be able to properly recreate it later, since |
641 | 0 | // we won't know what proto to use. Note that we don't check |
642 | 0 | // aGivenProto here, since it's entirely possible (and even |
643 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
644 | 0 | // same as canonicalProto. |
645 | 0 | if (proto != canonicalProto) { |
646 | 0 | PreserveWrapper(aObject); |
647 | 0 | } |
648 | 0 |
|
649 | 0 | return true; |
650 | 0 | } |
651 | | |
652 | | static bool |
653 | | ResolveOwnProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::MutableHandle<JS::PropertyDescriptor> desc) |
654 | 0 | { |
655 | 0 | return js::GetProxyHandler(obj)->getOwnPropertyDescriptor(cx, wrapper, id, desc); |
656 | 0 | } |
657 | | |
658 | | static bool |
659 | | EnumerateOwnProperties(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::AutoIdVector& props) |
660 | 0 | { |
661 | 0 | return js::GetProxyHandler(obj)->ownPropertyKeys(cx, wrapper, props); |
662 | 0 | } |
663 | | |
664 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
665 | | ResolveOwnProperty, |
666 | | EnumerateOwnProperties, |
667 | | nullptr, |
668 | | { sNativeProperties.Upcast(), nullptr }, |
669 | | prototypes::id::DOMStringList, |
670 | | constructors::id::DOMStringList, |
671 | | nullptr, |
672 | | &DefaultXrayExpandoObjectClass |
673 | | } }; |
674 | | |
675 | | void |
676 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
677 | 0 | { |
678 | 0 | JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx)); |
679 | 0 | if (!parentProto) { |
680 | 0 | return; |
681 | 0 | } |
682 | 0 | |
683 | 0 | JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx)); |
684 | 0 | if (!constructorProto) { |
685 | 0 | return; |
686 | 0 | } |
687 | 0 | |
688 | 0 | static bool sIdsInited = false; |
689 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
690 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
691 | 0 | return; |
692 | 0 | } |
693 | 0 | sIdsInited = true; |
694 | 0 | } |
695 | 0 |
|
696 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DOMStringList); |
697 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DOMStringList); |
698 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
699 | 0 | &sPrototypeClass.mBase, protoCache, |
700 | 0 | nullptr, |
701 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr, |
702 | 0 | interfaceCache, |
703 | 0 | sNativeProperties.Upcast(), |
704 | 0 | nullptr, |
705 | 0 | "DOMStringList", aDefineOnGlobal, |
706 | 0 | nullptr, |
707 | 0 | false); |
708 | 0 | } |
709 | | |
710 | | JSObject* |
711 | | GetConstructorObject(JSContext* aCx) |
712 | 0 | { |
713 | 0 | return GetConstructorObjectHandle(aCx); |
714 | 0 | } |
715 | | |
716 | | } // namespace DOMStringList_Binding |
717 | | |
718 | | |
719 | | |
720 | | } // namespace dom |
721 | | } // namespace mozilla |